add test case for US Virgin Islands country name -> ISO3
add test case for US Virgin Islands country name -> ISO3

etpinard/plotly.js,plotly/plotly.js,aburato/plotly.js,aburato/plotly.js,asolagmbh/plotly.js,iongroup/plotly.js,asolagmbh/plotly.js,iongroup/plotly.js,etpinard/plotly.js,iongroup/plotly.js,plotly/plotly.js,plotly/plotly.js,plotly/plotly.js,etpinard/plotly.js,asolagmbh/plotly.js